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Biblioteka

Waves and Sound Test

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Posljednje ažuriranje 2 months ago
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Pitanje 1
1.

The time needed for a wave to make one complete cycle is its ____________.

Pitanje 2
2.

Given the wave shown above, which point corresponds to a wave trough

Pitanje 3
3.

Which point corresponds to a wave crest?

Pitanje 4
4.

Which letter best represents the amplitude of the waves?

Pitanje 5
5.

Which letter best represents the wavelength of the waves?

Pitanje 6
6.

The waves shown on the graph are

Pitanje 7
7.

A bug is treading water in a pond. The bug is creating 120 waves per minute.

What is the frequency of the waves the bug is generating?

Pitanje 8
8.

A bug is treading water in a pond. The bug is creating 120 waves per minute.

What is the period of the waves generated by the bug?

Pitanje 9
9.

A bug is treading water in a pond. The bug is creating 120 waves per minute.

If the distance between two adjacent wave crests is 0.2 meters, what is the speed of the water waves?

Pitanje 10
10.

In a transverse wave, the medium of the material through which the wave travels vibrates _______ to the motion of the wave itself.

Pitanje 11
11.

1. Examples of mechanical waves include

I. Stadium (human) waves

II. Slinky waves

III. Electromagnetic waves

IV. Sound waves

Pitanje 12
12.

When two or more waves occupy the same place at the same time, the resulting effect is called

Pitanje 13
13.

Where can you touch a standing wave on a rope without disturbing the wave pattern?

Pitanje 14
14.

The standing wave shown above was created on a string where L = 10 meters long.

Which harmonic is shown above?

Pitanje 15
15.

The standing wave shown above was created on a string where L = 10 meters long.

What is the wavelength of a wave on the string above?

Pitanje 16
16.

The standing wave shown above was created on a string where L = 10 meters long.

If the wave speed on the string is 20 meters/second, what is the frequency that created the standing wave?

Pitanje 17
17.

If you double the frequency of a sound wave in air, its wavelength

Pitanje 18
18.

At which position will an observer of sound hear a higher frequency of sound wave generated by the moving car?

Pitanje 19
19.

What is the wavelength of a 220 Hz sound wave in air (assume velocity of sound is 340 m/s)? (nearest hundreth)

Pitanje 20
20.

If you double the frequency, what will its new wavelength be? (nearest hundreth)

Pitanje 21
21.

The length of the string in the picture above is 6 meters.

What is the wavelength of the standing wave on the string? (nearest whole number)

Pitanje 22
22.

The length of the string in the picture above is 6 meters.

What is the harmonic of the standing wave on the string?

Pitanje 23
23.

The length of the string in the picture above is 6 meters.

What is the frequency of the standing wave if the velocity of the wave is 21 m/s? (nearest hundreth)

Pitanje 24
24.

A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.

What is equation to find the frequency of the pendulum?

Pitanje 25
25.

A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.

What is the length of the pendulum? (nearest thousandth)

Pitanje 26
26.

A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.

What is the height of the pendulum at its maximum displacement? (nearest hundred thousandth)

Pitanje 27
27.

A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.

What is the maximum speed of the pendulum? (nearest thousandth)